Plate 2474. 



DUTHIEA BROMOIDES, Hack. 

 Gramine.^. Tribe Avene."e. 



r 



D. bromoides, Hack, in VerhandL ZooL~Bot, Ges. IVierij xlv. (1895), 

 200 ; perennis, basi vaginis vetustis crebris vestita, culmis simplicibus 

 1-2-nodis glabris apice scabris longe e vagina summa exsertis, foliorum 

 vagmis intimis apertis caeteris subarctis, ligulis elongatis apice fissis, 

 laiBinis innovationum tiliformiter convolutis setaceo-acurainatis cul- 

 uiorum linearibus pins minusve planis acutis superioribus abbreviatis, 

 I'acemo oblongo vel secundo compacto 4-6-spiculato, pedicellis brevibus, 

 ut rhacliis, scabris ssepe braetea liyalina fultis, spiculis circa 5-floris, 

 rhachillse articulis (imprimis summo elougato) superne pilosis, gluiuis 

 vacuis late lanceolatis acuminatis vel muci^onatis 7-11-nervibus stib- 

 sequilongiSy floriferis vix vel paulo exsertis obovatis obtuse bilobis 

 7-1 1-nervibus interlobos arista tis, arista scabra basi torta, palese 

 carinis setaceo-mucronatis, ovario dense setoso, stigmatibus fuscis 

 tenuiter filifornnbus stylo suba^qiiilongisj caroypsi (subniatura) lineari- 

 oblonga setosa stylo subpersistente superata. 



Hab. Kashmir : Liddar Valley, Sonsal nullah, and above Kainmul, 

 13,000 feet, Dut/iie (No. 13,155, 13,382). 



Culmi l|-2^ ped. alti. Foliorum innovationum lamina ad 1 peel, 

 longa, culmeorum ad 2 lin. lata ; ligula ad 5 lin. longa. Glumrp. 

 vacuas 5^-8 lin. loixgoe, florifera^ 5^ lin. longse ; arista \-\\ poll, 

 longa. 



Another species of this singular genus is D, oligostachya, Stapf. 

 It was described and figured by Aitchison as Avena (§ Crithe) 

 oligostachyaj Munro, in Journ, Linn. Soc. xviii. 108, xix, 193, 

 t, 30. In this the spikelets are 2-3-flowered with a glabrous 

 rhachilla, the empty glumes 5-7-nerved with a broad hyaline 

 border, the flowering glumes bilobed to the middle with apiculate 

 lobes, densely covered with long hairs below the lobes. The 

 gyn^eceum is essentially the same as in D, bromoidp<i^ but the style 

 is much shorter than the stigmas. The curious hyaline bracts at 

 the base of the pedicels found in D. hronioides are also frequently 

 present in D, oliffostachya. The resemblance of the latter to certain 

 species of Danthonia is so great that it would have to be referred to 

 this genus if it were not for the absence of lodicules and the structure 

 of the gyua^ceuiii. This is certainly quite singular in Avenese ; still, 

 I think. Dutldea must l>e placed in this trilie r^uther than in Festucete, 

 where Hackel placed it. — O, Staff. 



Fig. 1. Spikelet 2. Joint of rhacliilla. S. Sterile floret. 4 I'lowering glume 

 spread open. 5. Palea. 6. Pistil. 7. Cnryop^is, Ail £)Jari/e(L 



